CN117682110B - Small-impact return cabin seat - Google Patents
Small-impact return cabin seat Download PDFInfo
- Publication number
- CN117682110B CN117682110B CN202410146180.8A CN202410146180A CN117682110B CN 117682110 B CN117682110 B CN 117682110B CN 202410146180 A CN202410146180 A CN 202410146180A CN 117682110 B CN117682110 B CN 117682110B
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- bottom plate
- cover
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- 238000013016 damping Methods 0.000 claims abstract description 160
- 210000001503 joint Anatomy 0.000 claims abstract description 26
- 238000005452 bending Methods 0.000 claims abstract description 5
- 230000003139 buffering effect Effects 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 238000003032 molecular docking Methods 0.000 description 19
- 238000000034 method Methods 0.000 description 10
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
- B64G1/60—Crew or passenger accommodations
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- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Aviation & Aerospace Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The application provides a small-impact return cabin seat, which relates to the technical field of aerospace and comprises a bottom plate, wherein a seat plate is arranged on the bottom plate; the chair plate is of a multi-section bending structure, and two ends of the chair plate along the first direction are respectively connected with the bottom plate through the supporting seat; the supporting seat comprises a first damping piece vertically arranged on the bottom plate and a second damping piece parallelly arranged on the bottom plate; the first damping piece is connected with the chair plate through the butt joint cover and comprises a first damping shaft in telescopic connection with the butt joint cover and a first damping sleeve sleeved on the first damping shaft; one end of the first damping shaft, which is far away from the bottom plate, is positioned in the butt joint cover, and is provided with a high-frequency electromagnet for buffering the impact force of the chair plate; one end of the chair plate, which is far away from the first damping piece, is connected with the bottom plate through the sliding table; the second damping piece is located the slip table respectively along the both ends department of first direction, including the second damping axle of being connected with the chair board and the second damping cover of being connected with the bottom plate.
Description
Technical Field
The application relates to the technical field of aerospace, in particular to a small-impact return cabin seat.
Background
Returning to the buffer seat system of the spacecrafts in the cabin plays a key role in reducing landing impact load and guaranteeing safe landing of the spacecrafts.
The existing buffer seat can mainly effectively buffer the chest back impact load of astronauts, and has weaker buffer capacity to the head basin direction. Under large horizontal landing impact, the multidirectional impact transmitted through the seat is overloaded, and the possibility that the limit of the resistance of the head basin of the astronaut is exceeded exists.
Disclosure of Invention
In view of the above-described drawbacks or deficiencies of the prior art, it is desirable to provide a low impact return cabin seat.
The application provides a low impact return cabin seat comprising:
a bottom plate, on which a chair plate is mounted;
The chair plate is of a multi-section bending structure, and two ends of the chair plate along the first direction are respectively connected with the bottom plate through supporting seats;
the supporting seat comprises a first damping piece vertically arranged on the bottom plate and a second damping piece parallelly arranged on the bottom plate;
The first damping piece is connected with the chair plate through a butt joint cover and comprises a first damping shaft in telescopic connection with the butt joint cover and a first damping sleeve sleeved on the first damping shaft;
one end of the first damping shaft, which is far away from the bottom plate, is positioned in the butt joint cover, and is provided with a high-frequency electromagnet for buffering the impact force of the chair plate;
one end of the chair plate, which is far away from the first damping piece, is connected with the bottom plate through a sliding table;
the second damping piece is located respectively at two ends of the sliding table along the first direction, and comprises a second damping shaft connected with the chair plate and a second damping sleeve connected with the bottom plate.
Further, the method comprises the steps of,
The first damping shaft is T-shaped, and one end with a relatively larger diameter is positioned in the butt joint cover;
A permanent magnet is arranged in the butt joint cover and used for forming repulsive force with the high-frequency electromagnet; the end part of the butt joint cover is provided with an annular sealing cover for limiting the end part of the first damping shaft to be separated from the butt joint cover.
Further, the method comprises the steps of,
A first shaft conical surface is also arranged on the first damping shaft along the axis direction;
The number of the first shaft conical surfaces comprises a plurality of first shaft conical surfaces, the first shaft conical surfaces are distributed along the axis direction of the first damping shaft, and the diameter of one end, close to the butt joint cover, is relatively larger.
Further, the method comprises the steps of,
The taper of the conical surface of the first shaft is different, and the conical surface of the first shaft is gradually increased along the axial direction of the first damping shaft;
The taper of the first shaft taper near one end of the base plate is relatively small.
Further, the method comprises the steps of,
A first through hole is formed in the first damping sleeve corresponding to the first shaft conical surface;
The first through holes are symmetrically distributed about the first damping shaft and are stepped holes for mounting a first cover plate;
and a matched first plate spring is arranged on the first cover plate corresponding to the conical surface of the first shaft and used for generating damping with the first damping shaft.
Further, the method comprises the steps of,
A first bearing is arranged in the first damping sleeve corresponding to the first damping shaft;
the first bearings are respectively positioned at two ends of the first damping sleeve and are connected with the first damping shaft in a sleeved mode.
Further, the method comprises the steps of,
A guide rail is arranged on the bottom plate corresponding to the sliding table;
the number of the guide rails is two, and the guide rails are arranged in parallel and extend along the first direction;
The sliding table is in sliding connection with the guide rail, and one end far away from the guide rail is provided with a corresponding butt joint seat corresponding to the chair plate.
Further, the method comprises the steps of,
The second damping sleeve is fixedly arranged on the bottom plate;
One end of the second damping shaft is positioned in the second damping sleeve, and the other end of the second damping shaft is fixedly connected with the sliding table;
The sliding table is connected with the second damping shaft through a flange;
the flange is sleeved on the second damping shaft and is fixedly connected with the second damping shaft.
Further, the method comprises the steps of,
A second shaft conical surface is arranged on the second damping shaft along the axis direction;
the second shaft conical surfaces are uniformly distributed along the axial direction of the second damping shaft, and the taper angles are the same.
Further, the method comprises the steps of,
The second damping sleeve is provided with a corresponding second through hole corresponding to the second shaft conical surface;
a second cover plate is arranged on the second through hole;
And the second cover plate is provided with a second plate spring which is propped against the second shaft conical surface and is used for generating damping with the second shaft conical surface.
The application has the advantages and positive effects that:
According to the technical scheme, the damping pieces in the mutually perpendicular directions are respectively arranged at the two ends of the chair plate, and the telescopic installation structure and the high-frequency electromagnet are matched between the first damping shaft and the butt joint cover, so that the impact force suffered by the chair plate can be effectively decomposed, one end close to the head can not only perform pressure swing unloading through the high-frequency electromagnet, but also enable the head to obtain a larger buffer stroke, and therefore the impact load of the head is effectively reduced.
Drawings
FIG. 1 is a schematic view of a low impact return cabin seat provided by an embodiment of the present application;
FIG. 2 is a schematic view of a first damping member of a low impact return cabin seat according to an embodiment of the present application;
fig. 3 is a schematic structural view of a second damping member of a low impact return cabin seat according to an embodiment of the present application.
The text labels in the figures are expressed as: 100-a bottom plate; 110-a sliding table; 120-guide rails; 200-chair plate; 210-butt joint cover; 211-permanent magnets; 300-supporting seat; 310-a first damping shaft; 311-high frequency electromagnet; 312-first axis taper; 320-a first damping sleeve; 321-a first cover plate; 322-a first leaf spring; 323-a first bearing; 330-a second damping shaft; 331-second axis conical surface; 340-a second damping sleeve; 341-a second cover plate; 342-second leaf spring.
Detailed Description
In order that those skilled in the art may better understand the technical solutions of the present application, the following detailed description of the present application with reference to the accompanying drawings is provided for exemplary and explanatory purposes only and should not be construed as limiting the scope of the present application.
Referring to fig. 1-3, the present embodiment provides a low impact return cabin seat comprising: a base plate 100, on which a chair plate 200 is mounted; the chair plate 200 has a multi-section bending structure, and two ends along the first direction are respectively connected with the bottom plate 100 through the supporting seat 300; the support base 300 includes a first damping member vertically installed on the base plate 100 and a second damping member parallel installed on the base plate 100; the first damping piece is connected with the chair plate 200 through the docking cover 210 and comprises a first damping shaft 310 in telescopic connection with the docking cover 210 and a first damping sleeve 320 sleeved on the first damping shaft 310; one end of the first damping shaft 310, which is far away from the bottom plate 100, is positioned inside the docking cover 210, and is provided with a high-frequency electromagnet 311 for buffering the impact force of the chair plate 200; one end of the chair plate 200, which is far away from the first damping piece, is connected with the bottom plate 100 through the sliding table 110; the second damping members are respectively located at both ends of the sliding table 110 in the first direction, and include a second damping shaft 330 connected with the seat plate 200 and a second damping sleeve 340 connected with the base plate 100.
In this embodiment, the chair plate 200 has a multi-section bending structure, so that the chair plate can be more attached to the body of an astronaut; wherein the end of the chair plate 200 near the foot is parallel to the bottom plate 100, and the end near the head is in a tangential state with the bottom plate 100.
In this embodiment, one end of the chair plate 200 near the head is connected with the bottom plate 100 through a first damping member; wherein the first damping member is vertically installed with the base plate 100, and the chair plate 200 is connected through the docking cover 210; one end of the docking cover 210 is telescopically mounted on the first damping member, and the other end is fixedly connected with the chair plate 200 through a bracket.
In this embodiment, the first damping member includes a first damping sleeve 320 fixedly mounted on the base plate 100 and a first damping shaft 310 abutting the abutting cover 210; one end of the first damping shaft 310 is telescopically connected with the first damping sleeve 320, and the other end is telescopically connected with the docking cover 210.
In this embodiment, a high-frequency electromagnet 311 is further installed at one end of the first damping shaft 310 near the docking cover 210; the high-frequency electromagnet 311 not only can generate thrust to the butt joint cover 210, but also can control the thrust, and after the chair plate 200 receives the impact force, the high-frequency electromagnet 311 can perform pressure swing unloading to the chair plate 200, so that the impact load received by the head is reduced.
In this embodiment, one end of the chair plate 200, which is close to the foot, is slidably connected to the bottom plate 100 through the sliding table 110, and the sliding direction is the first direction; meanwhile, the two ends of the bottom plate 100 located at the sliding table 110 along the first direction are respectively provided with a second damping member.
In a preferred embodiment, the first damping shaft 310 is T-shaped with the relatively larger diameter end located inside the docking cover 210; a permanent magnet 211 is arranged in the butt-joint cover 210 and is used for forming repulsive force with a high-frequency electromagnet 311; the end of the docking cover 210 is provided with a ring-shaped cover for restricting the end of the first damping shaft 310 from being separated from the docking cover 210.
In this embodiment, one end of the first damping shaft 310, which is close to the docking cover 210, is T-shaped, is located at the docking cover 210, and has a diameter matching the inner diameter of the docking cover 210; the end of the docking cover 210 is provided with a cover for restricting the detachment of the first damping shaft 310.
In this embodiment, the sealing cover includes two semicircular portions, which are spliced to form a circular ring structure; the diameter of the inner ring is matched with the relatively smaller diameter of the first damping shaft 310, the diameter of the outer ring is matched with the diameter of the butt joint cover 210, and after the butt joint cover 210 is connected, the first damping shaft 310 can slide relatively and the first damping shaft 310 can be prevented from being separated.
In the present embodiment, the permanent magnet 211 is provided inside the docking cover 210 corresponding to the high-frequency electromagnet 311, so that a repulsive force is formed between the permanent magnet and the high-frequency electromagnet 311.
In a preferred embodiment, the first damping shaft 310 is further provided with a first shaft conical surface 312 along the axial direction; the number of the first shaft tapered surfaces 312 includes a plurality, and is arranged in the axial direction of the first damping shaft 310, and the diameter of the end near the docking cover 210 is relatively large.
In this embodiment, four first shaft conical surfaces 312 which are uniformly arranged along the axis direction are arranged on the first damping shaft 310; and the ends of the four first shaft conical surfaces 312 near the docking cover 210 are all relatively large.
In a preferred embodiment, the tapers of the first shaft conical surfaces 312 are different and sequentially increase along the axial direction of the first damping shaft 310; the taper of the first shaft taper 312 near one end of the base plate 100 is relatively small.
In this embodiment, the tapers of the four first shaft conical surfaces 312 are all different, and meanwhile, the tapers of the four first shaft conical surfaces 312 sequentially change along the axial direction of the first damping shaft 310, wherein the taper of the first shaft conical surface 312 near one end of the base plate 100 is relatively smaller.
In a preferred embodiment, the first damping sleeve 320 is provided with a first through hole corresponding to the first shaft conical surface 312; the first through openings are symmetrically arranged about the first damping shaft 310 and are stepped holes for installing the first cover plate 321; the first cover plate 321 is provided with a first plate spring 322 matched with the first shaft conical surface 312 for generating damping with the first damping shaft 310.
In this embodiment, a first through hole symmetrical about an axis is provided on the first damping sleeve 320 corresponding to the first axial conical surface 312; the first through hole is a stepped hole, so that the first cover 321 can be inserted therein.
In this embodiment, a first plate spring 322 is further disposed between the first cover 321 and the first shaft conical surface 312; the first plate spring 322 abuts against the first shaft tapered surface 312, and when the first damper shaft 310 and the first damper sleeve 320 are displaced, damping is generated between the first shaft tapered surface 312 and the first plate spring 322.
In a preferred embodiment, a first bearing 323 is disposed in the first damping sleeve 320 corresponding to the first damping shaft 310; the first bearings 323 are respectively located at two ends of the first damping sleeve 320, and are sleeved with the first damping shaft 310.
In this embodiment, the first damping sleeve 320 and the first damping shaft 310 are connected through a first bearing 323; the first bearings 323 are respectively located at both ends of the first damping sleeve 320 and are fitted with a small gap between the first damping shafts 310.
In a preferred embodiment, the bottom plate 100 is provided with a guide rail 120 corresponding to the sliding table 110; the number of the guide rails 120 is two, and the guide rails are arranged in parallel and extend along the first direction; the sliding table 110 is slidably connected with the guide rail 120, and a corresponding butt joint seat is arranged at one end far away from the guide rail 120 corresponding to the chair plate 200.
In this embodiment, the sliding table 110 is connected with the bottom plate 100 through a guide rail 120; the number of the guide rails 120 is two and extends in the first direction, respectively.
In this embodiment, an end of the sliding table 110 away from the bottom plate 100 is further provided with a docking seat; the docking station is fixedly mounted on the sliding table 110 and fixedly connected with the chair plate 200 through a bracket.
In a preferred embodiment, the second damping sleeve 340 is fixedly mounted to the base plate 100; one end of the second damping shaft 330 is positioned in the second damping sleeve 340, and the other end is fixedly connected with the sliding table 110; the sliding table 110 is connected with the second damping shaft 330 through a flange; the flange is sleeved on the second damping shaft 330 and is fixedly connected with the second damping shaft 330.
In this embodiment, one end of the second damping shaft 330 is fixedly connected with the sliding table 110, and one end is telescopically installed in the second damping sleeve 340; meanwhile, the second damping sleeve 340 is connected with the second damping shaft 330 through a second bearing; the second bearings are respectively located at two ends of the second damping sleeve 340 and are in small clearance fit with the second damping shaft 330, so that the stability of connection between the second damping sleeve 340 and the second damping shaft 330 can be ensured, and the second damping shaft 330 is not limited to stretch relative to the second damping sleeve 340.
In a preferred embodiment, the second damping shaft 330 is provided with a second shaft conical surface 331 along the axial direction; the second shaft conical surfaces 331 are uniformly arranged along the axial direction of the second damping shaft 330, and the conicity is the same.
In a preferred embodiment, the second damping sleeve 340 is provided with a corresponding second through hole corresponding to the second shaft conical surface 331; the second through hole is provided with a second cover plate 341; the second cover plate 341 is provided with a second plate spring 342 abutting against the second shaft conical surface 331 for generating damping with the second shaft conical surface 331.
In this embodiment, a second through hole symmetrical about an axis is provided on the second damping sleeve 340 corresponding to the second shaft conical surface 331; the second through hole is also a stepped hole for mounting the second cover plate 341.
In this embodiment, a second plate spring 342 is disposed between the second cover 341 and the second shaft conical surface 331, and when the second cover 341 presses the second plate spring 342 against the second shaft conical surface 331, a corresponding damping is generated when the second damping shaft 330 and the second damping sleeve 340 are relatively displaced.
The principles and embodiments of the present application have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present application and its core ideas. The foregoing is merely illustrative of the preferred embodiments of this application, and it is noted that there is objectively no limit to the specific structure disclosed herein, since numerous modifications, adaptations and variations can be made by those skilled in the art without departing from the principles of the application, and the above-described features can be combined in any suitable manner; such modifications, variations and combinations, or the direct application of the inventive concepts and aspects to other applications without modification, are contemplated as falling within the scope of the present application.
Claims (5)
1. A low impact return cabin seat comprising
A base plate (100), wherein a chair plate (200) is arranged on the base plate (100);
The chair plate (200) is of a multi-section bending structure, and two ends of the chair plate along the first direction are respectively connected with the bottom plate (100) through the supporting seat (300);
The supporting seat (300) comprises a first damping piece vertically arranged on the bottom plate (100) and a second damping piece parallelly arranged on the bottom plate (100);
The first damping piece is connected with the chair plate (200) through a butt joint cover (210), and comprises a first damping shaft (310) in telescopic connection with the butt joint cover (210) and a first damping sleeve (320) sleeved on the first damping shaft (310);
One end of the first damping shaft (310) far away from the bottom plate (100) is positioned in the butt joint cover (210), and is provided with a high-frequency electromagnet (311) for buffering the impact force of the chair plate (200);
one end of the chair plate (200) far away from the first damping piece is connected with the bottom plate (100) through a sliding table (110);
the second damping pieces are respectively positioned at two ends of the sliding table (110) along the first direction and comprise a second damping shaft (330) connected with the chair plate (200) and a second damping sleeve (340) connected with the bottom plate (100);
The first damping shaft (310) is T-shaped, and one end with a relatively larger diameter is positioned inside the butt joint cover (210);
A permanent magnet (211) is arranged in the butt joint cover (210) and used for forming repulsive force with the high-frequency electromagnet (311); the end part is provided with a ring-shaped sealing cover for limiting the end part of the first damping shaft (310) to be separated from the butt joint cover (210);
the first damping shaft (310) is also provided with a first shaft conical surface (312) along the axial direction;
The number of the first shaft conical surfaces (312) comprises a plurality of first shaft conical surfaces which are distributed along the axial direction of the first damping shaft (310), and the diameter of one end close to the butt joint cover (210) is relatively larger;
the taper of the first shaft conical surface (312) is different, and the taper is gradually increased along the axis direction of the first damping shaft (310);
The taper of the first shaft taper (312) near one end of the base plate (100) is relatively small;
A first through hole is formed in the first damping sleeve (320) corresponding to the first shaft conical surface (312);
the first through holes are symmetrically distributed about the first damping shaft (310) and are stepped holes for mounting a first cover plate (321);
The first cover plate (321) is provided with a first plate spring (322) matched with the first shaft conical surface (312) and used for generating damping with the first damping shaft (310);
a first bearing (323) is arranged in the first damping sleeve (320) corresponding to the first damping shaft (310);
the first bearings (323) are respectively positioned at two ends of the first damping sleeve (320) and are sleeved with the first damping shaft (310).
2. The low impact return cabin seat according to claim 1, wherein,
A guide rail (120) is arranged on the bottom plate (100) corresponding to the sliding table (110);
the number of the guide rails (120) is two, the guide rails are arranged in parallel and extend along the first direction;
the sliding table (110) is in sliding connection with the guide rail (120), and one end far away from the guide rail (120) is provided with a corresponding butt joint seat corresponding to the chair plate (200).
3. The low impact return cabin seat according to claim 2, wherein,
The second damping sleeve (340) is fixedly arranged on the bottom plate (100);
One end of the second damping shaft (330) is positioned in the second damping sleeve (340), and the other end of the second damping shaft is fixedly connected with the sliding table (110);
the sliding table (110) is connected with the second damping shaft (330) through a flange;
The flange is sleeved on the second damping shaft (330) and is fixedly connected with the second damping shaft (330).
4. The low impact return cabin seat according to claim 3, wherein,
A second shaft conical surface (331) is arranged on the second damping shaft (330) along the axial direction;
The second shaft conical surfaces (331) are uniformly distributed along the axial direction of the second damping shaft (330), and the taper angles are the same.
5. The low impact return cabin seat according to claim 4, wherein,
The second damping sleeve (340) is provided with a corresponding second through hole corresponding to the second shaft conical surface (331);
a second cover plate (341) is arranged on the second through hole;
The second cover plate (341) is provided with a second plate spring (342) which is propped against the second shaft conical surface (331) and is used for generating damping with the second shaft conical surface (331).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410146180.8A CN117682110B (en) | 2024-02-02 | 2024-02-02 | Small-impact return cabin seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410146180.8A CN117682110B (en) | 2024-02-02 | 2024-02-02 | Small-impact return cabin seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117682110A CN117682110A (en) | 2024-03-12 |
| CN117682110B true CN117682110B (en) | 2024-05-07 |
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ID=90137496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410146180.8A Active CN117682110B (en) | 2024-02-02 | 2024-02-02 | Small-impact return cabin seat |
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| CN (1) | CN117682110B (en) |
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